Optical information storage medium and method of recording information on and/or reproducing information from the optical information storage medium

Abstract

An optical information storage medium includes a lead-in area, a user data area, and a lead-out area. Data is recorded as a pit wobble in all, or a portion of, the lead-in area and data is recorded as pits in the remaining area of the optical information storage medium. A method records data on, and/or reproduces data from, the optical information storage medium.

What is claimed is:  
     
         1 . An optical information storage medium comprising: 
 a lead-in area;    a user data area; and    a lead-out area,    wherein data is recorded as a pit wobble in at least a portion of the lead-in area and data is recorded as pits in a remaining area of the optical information storage medium.    
     
     
         2 . The optical information storage medium of  claim 1 , wherein the area in which the data is recorded as the pit wobble is an area in which unmodified information on a storage medium complying with a same physical format is recorded.  
     
     
         3 . The optical information storage medium of  claim 2 , wherein the area in which the data is recorded as the pit wobble is an area in which optical information storage medium-related information is recorded.  
     
     
         4 . The optical information storage medium of  claim 3 , wherein a first data recording modulation method used in the area in which the data is recorded as the pit wobble is different from a second data recording modulation method used in the remaining area in which the data is recorded as the pits.  
     
     
         5 . The optical information storage medium of  claim 4 , wherein the first data recording modulation method used in the area in which the data is recorded as the pit wobble is a bi-phase modulation method, and the second data recording modulation method used in the remaining area in which the data is recorded as the pits is an RLL modulation method.  
     
     
         6 . The optical information storage medium of  claim 5 , wherein the RLL modulation method is an RLL ( 1 ,  7 ) modulation method.  
     
     
         7 . The optical information storage medium of  claim 6 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 2≦n≦4 and T is a minimum mark length.  
     
     
         8 . The optical information storage medium of  claim 5 , wherein the RLL modulation method is an RLL ( 2 ,  10 ) modulation method.  
     
     
         9 . The optical information storage medium of  claim 8 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 3≦n≦5 and T is a minimum mark length.  
     
     
         10 . The optical information storage medium of  claim 3 , wherein a pattern of the pit wobble substantially matches a pattern used in the user data area.  
     
     
         11 . The optical information storage medium of  claim 10 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         12 . The optical information storage medium of  claim 3 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         13 . The optical information storage medium of  claim 3 , wherein the data recorded as the pit wobble is reproduced using one of a push-pull channel and a sum channel.  
     
     
         14 . The optical information storage medium of  claim 1 , wherein a first data recording modulation method used in the area in which the data is recorded as the pit wobble is different from a second data recording modulation method used in the remaining area in which the data is recorded as the pits.  
     
     
         15 . The optical information storage medium of  claim 14 , wherein the first data recording modulation method used in the area in which the data is recorded as the pit wobble is a bi-phase modulation method, and the second data recording modulation method used in the remaining area in which the data is recorded as the pits is an RLL modulation method.  
     
     
         16 . The optical information storage medium of  claim 15 , wherein the RLL modulation method is an RLL ( 1 ,  7 ) modulation method.  
     
     
         17 . The optical information storage medium of  claim 16 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 2≦n≦4 and T is a minimum mark length.  
     
     
         18 . The optical information storage medium of  claim 15 , wherein the RLL modulation method is an RLL ( 2 ,  10 ) modulation method.  
     
     
         19 . The optical information storage medium of  claim 18 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 3≦n≦5 and T is a minimum mark length.  
     
     
         20 . The optical information storage medium of  claim 1 , wherein a pattern of the pit wobble substantially matches a pattern used in the user data area.  
     
     
         21 . The optical information storage medium of  claim 20 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         22 . The optical information storage medium of  claim 1 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         23 . The optical information storage medium of  claim 1 , wherein the data recorded as the pit wobble is reproduced using one of a push-pull channel and a sum channel.  
     
     
         24 . The optical information storage medium of  claim 1 , wherein the optical information storage medium has at least one information surface.  
     
     
         25 . The optical information storage medium of  claim 1 , wherein data recorded as the pit wobble is recorded at least two consecutive times.  
     
     
         26 . The optical information storage medium of  claim 1 , wherein data recorded as the pit wobble is nonconsecutively recorded due to a pit row.  
     
     
         27 . A method of recording information on and/or reproducing information from an optical information storage medium having a lead-in area, a user data area, and a lead-out area, the method comprising: 
 recording data as a pit wobble in at least a portion of the lead-in area; and    recording data as pits in a remaining area of the optical information storage medium.    
     
     
         28 . The method of  claim 27 , wherein the area in which the data is recorded as the pit wobble is an area in which unmodified information on a storage medium complying with a substantially matching physical format is recorded.  
     
     
         29 . The method of  claim 28 , wherein the area in which the data is recorded as the pit wobble is an area in which optical information storage medium-related information is recorded.  
     
     
         30 . The method of  claim 29 , wherein a first data recording modulation method used in the area in which the data is recorded as the pit wobble is different from a second data recording modulation method used in the remaining area in which the data is recorded as the pits.  
     
     
         31 . The method of  claim 30 , wherein the first data recording modulation method used in the area in which the data is recorded as the pit wobble is a bi-phase modulation method, and the second data recording modulation method used in the remaining area in which the data is recorded as the pits is an RLL modulation method.  
     
     
         32 . The method of  claim 31 , wherein the RLL modulation method is an RLL ( 1 ,  7 ) modulation method.  
     
     
         33 . The method of  claim 32 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 2≦n≦4 and T is a minimum mark length.  
     
     
         34 . The method of  claim 31 , wherein the RLL modulation method is an RLL ( 2 ,  10 ) modulation method.  
     
     
         35 . The method of  claim 34 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 3≦n≦5 and T is a minimum mark length.  
     
     
         36 . The method of  claim 29 , wherein a pattern of the pit wobble substantially matches a pattern used in the user data area.  
     
     
         37 . The method of  claim 36 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         38 . The method of  claim 29 , wherein the pattern of the pit wobble is one of a single pattern, a random pattern, and a combination of at least two patterns.  
     
     
         39 . The method of  claim 29 , wherein data recorded as the pit wobble is reproduced using one of a push-pull channel and a sum channel.  
     
     
         40 . The method of  claim 27 , wherein a first data recording modulation method used in the area in which data is recorded as a pit wobble is different from a second data recording modulation method used in the remaining area in which data is recorded as pits.  
     
     
         41 . The method of  claim 40 , wherein the data recording modulation method used in the area in which data is recorded as a pit wobble is a bi-phase modulation method, and the data recording modulation method used in the remaining area in which data is recorded as pits is an RLL modulation method.  
     
     
         42 . The method of  claim 41 , wherein the RLL modulation method is an RLL ( 1 ,  7 ) modulation method.  
     
     
         43 . The method of  claim 42 , wherein information recorded according to the bi-phase modulation method comprises marks and spaces having a length of nT, and marks and spaces having a length of 2 nT, wherein n is within a range of 2≦n≦4 and T is a minimum mark length.  
     
     
         44 . The method of  claim 27 , wherein the RLL modulation method is an RLL ( 2 ,  10 ) modulation method.  
     
     
         45 . The method of  claim 27 , wherein data recorded as the pit wobble is recorded at least two consecutive times.  
     
     
         46 . The method of  claim 27 , wherein data recorded as the pit wobble is nonconsecutively recorded due to a pit row.  
     
     
         47 . The optical information storage medium of  claim 1 , wherein the optical information storage medium is one of a CD, a CD-R, a CD-RW, a DVD, a DVD+RW, a DVD-RAM, a DVD−RW, and a HD-DVD.  
     
     
         48 . The optical information storage medium of  claim 1 , wherein the optical information storage medium is a read-only optical information storage medium.